Cephalexin vs Moxifloxacin

## Cephalexin vs Moxifloxacin: Overview

This comparison examines the pharmacological differences between **Cephalexin** and **Moxifloxacin**.

## Mechanism of Action

**Cephalexin**: First-generation cephalosporin inhibiting cell wall synthesis.

**Moxifloxacin**: Fourth-generation fluoroquinolone inhibiting DNA gyrase and topoisomerase IV with enhanced anaerobic activity.

## Pharmacokinetics

**Half-life**: Cephalexin — 0.5-1.2 hours; Moxifloxacin — 12 hours.

## Chemical Properties

**Molecular Formula**: Cephalexin — C16H17N3O4S; Moxifloxacin — C21H24FN3O4.

**Molecular Weight**: Cephalexin — 347.3890 g/mol; Moxifloxacin — 401.4350 g/mol.

**Type**: Cephalexin — Small molecule; Moxifloxacin — Small molecule.